- Mason County, Illinois Home Page
County Inforeport
General information about Mason County
Population: 15,941
Area: 539 sq. miles
County Seat: Havana
Area Code(s): 309
Time Zone: Central
- Illinois Court Records and other Resources
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Links to state and local court records, general Illinois court information, directory of courts, and online resources for courts in Illinois.
- Court Directory and Court Records Info
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Directory of court locations in Mason County, Illinois. Includes local links to searching court records, dockets, legal research, self help, and more.
Assessor
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Mason County Supervisor of Assessments
Mason County Courthouse
125 North Plum St., Havana IL 62644
Phone: (309) 543-4775
- Property Sales Search
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View Mason County residential property sales records by year including current and prior years.
- Clerk, Recorder, Marriage Licenses, Birth, Death and Marriage Records and Voter Information
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Mason County Clerk and Recorder
Mason County Courthouse
125 North Plum St., Havana, IL 62644
Phone (309)543-6661
- Birth, Death and Marriage Records
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View Mason County information about obtaining birth, death and marriage records.
- Mason County census information summary
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Mason County statistics for population, ethnicity, housing, geography and businesses. From the U.S. Census Bureau.
- Department Directory
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View Mason County department phone directory including email links.
- Tax Deed Auctions
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View Mason County tax deed auctions, including results of prior sales.
- Delinquent Taxes and Tax Sales
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Mason County Treasurer - Collector
Mason County Courthouse
125 North Plum, Havana IL 62644
Phone (309)543-3359
- Genealogy Records
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Search Mason County genealogy records such as cemeteries, census records, birth, death and marriage records, obituaries, and more.
Sheriff and Jail
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Mason County Sheriff
102 West Market St., Havana, IL 62644
Phone (309)543-2231 Fax (309)543-3564
Jail Phone (309)543-4311
- Inmate Records
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Search Illinois Department of Corrections inmate records.
- Government Jobs
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Search Illinois state government jobs by category, agency or keyword.
- Marriage Licenses
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View Mason County information about obtaining marriage licenses including fee, where to apply, and marriage by Judge.
- Sex Offender Records
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Search Mason County sex offender records.
- Sex Offenders
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Search Mason County registered sex offenders by address including email alerts.
- Floodplain Maps
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Search Mason County floodplain maps by address.
- Meeting Minutes and Agendas
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View Mason County Board meeting minutes and agendas by date including current and prior years.
- Polling Places
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View Mason County polling locations including search by address.
- Voter and Election Information
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View Mason County voter and election information including absentee ballot request form.
